script will set a uservar with the the amount of rainfall in mm during a defined period in hours.
Code: Select all
-- setRainVar.lua for [ dzVents >= 2.4 ]
-- Before first execution create var as type float and enter the deviceName or IDX of the raindevice
return {
on = { timer = { "every hour" }, -- Triggers the getJsonPart
httpResponses = { "setRainVar" } -- Trigger the handle Json part
},
logging = { level = domoticz.LOG_ERROR,
marker = "setRainVar" },
execute = function(dz,trigger)
local rainDevice = dz.devices(nnn) -- name enclosed in quotes or number without quotes
local rainVar = dz.variables("amountOfRainDuringLastHours") -- name enclosed in quotes or number without quotes
local relevantHours = 12 -- below 24 day, above 23 year
local range = "day"
if relevantHours > 23 then range = "year" end
function isDevice(device)
if device ~= nil then
if device.deviceType == "General" then
return device.deviceSubType
else
return device.deviceType
end
else
return "device is not defined in domoticz"
end
end
local function triggerJSON()
local URLString = dz.settings['Domoticz url'] .. "/json.htm?type=graph&sensor=rain&idx=" .. rainDevice.idx .. "&range=" .. range
dz.openURL({ url = URLString,
method = "GET",
callback = "setRainVar" })
end
local function setVar()
local Time = require('Time')
local now = Time()
local relevantAmount = 0
local delta,t
if trigger.json.result ~= nil then
rt = trigger.json.result
else
dz.log("No values found in history. Put 0 in uservar",dz.LOG_DEBUG )
rainVar.set(0) -- Store 0 in uservariable
return
end
if range == "year" then timeCompletion = " 00:00:00" else timeCompletion = ":00" end
for i=1,#rt do -- Loop through the result
t = Time(rt[i].d .. timeCompletion) -- get time and prepare for compare
delta = (t.compare(now).hours) -- diff in hours between json record and now
if delta <= relevantHours then
relevantAmount = relevantAmount + tonumber(rt[i].mm)
dz.log( "Date/time: " .. rt[i].d .. " ===>> Value in mm " ..
rt[i].mm .. " ===>> Delta hours: " .. delta ..
" ===>> Total until now: " .. relevantAmount
,dz.LOG_DEBUG)
end
end
if (rainVar.value ~= relevantAmount) or (rainVar.lastUpdate.hoursAgo > 12) then
rainVar.set(relevantAmount) -- Store value in uservariable
dz.log("Set ".. rainVar.name .. " to: " .. relevantAmount,dz.LOG_DEBUG )
end
end
if isDevice(rainDevice) ~= "Rain" then
dz.log("Not a (valid) raindevice: " .. isDevice(rainDevice),dz.LOG_ERROR)
return
end
if rainVar == nil or not(rainVar.isVariable) or rainVar.type ~= dz.FLOAT then
dz.log("Not a (valid) rainVar",dz.LOG_ERROR)
return
end
if trigger.isTimer or trigger.isDevice then
triggerJSON()
elseif trigger.ok and trigger.json.status ~= "ERR" then -- statusCode == 2xx
setVar()
else
dz.log("No valid response from domoticz; assuming rain = 0",dz.LOG_ERROR)
rainVar.set(0) -- Store value in uservariable
end
end
}
. Is there a way to set the range not oly for a day but for the last n days eg.?
